CN104473650A - Movement energy consumption monitoring shoes based on flexible force sensor and monitoring method of movement energy consumption monitoring shoes - Google Patents
Movement energy consumption monitoring shoes based on flexible force sensor and monitoring method of movement energy consumption monitoring shoes Download PDFInfo
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- CN104473650A CN104473650A CN201410833582.1A CN201410833582A CN104473650A CN 104473650 A CN104473650 A CN 104473650A CN 201410833582 A CN201410833582 A CN 201410833582A CN 104473650 A CN104473650 A CN 104473650A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/112—Gait analysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0209—Operational features of power management adapted for power saving
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Abstract
The invention discloses a pair of movement energy consumption monitoring shoes based on a flexible force sensor and a monitoring method of the movement energy consumption monitoring shoes. The method includes that movement parameter information of a user such as step frequency and step speed is obtained by collecting the sole pressure distribution information, and then the movement parameter information is combined with the human property parameters such as gender, stature and the length of lower limbs; a movement energy consumption model is built by using the multiple linear regression analysis method, and the real-time monitoring on movement energy consumption is realized. The pair of movement energy consumption monitoring shoes comprises a pair of sports shoes with flexible force sensitive insoles and a wristwatch; the flexible force sensitive insoles inside the shoes collect the sole pressure distribution information of the user in real time and transmit the information to the wristwatch through a ZigBee in a wireless way; the wristwatch substitutes the parameters such as the sole pressure distribution information, age, stature and the length of lower limbs into the movement energy consumption module, so that the movement energy consumption information is obtained, and is then stored and displayed. The pair of movement energy consumption monitoring shoes is movement energy consumption monitoring equipment, which is low in cost, easy to wear, accurate in energy consumption calculation and has real-time feedback function.
Description
Technical field
The present invention relates to the fields such as sensing technology, sport biomechanics, health care, rehabilitation medical, particularly a kind of sports energy consumption footwear based on flexible array pressure sensor and monitoring method thereof.
Background technology
Medical research shows, human nutrition is superfluous, energy metabolism is unbalance is the major reason causing chronic metabolic disease, keeps the energy balance to be prevent the basic premise of multiple metabolic syndrome.When taking in energy and keeping relative constancy, the essence of body energy balance just ascribes to finds scientific and reasonable individual movement form and exercise intensity, maintains human body and always takes in the balance with wastage in bulk or weight energy.Therefore the energy expenditure test and appraisal of individual daily physical exertion become one of modern healthy management and the most important research direction of biomedical engineering field.
Worth thinking deeply about is, although the sports energy consumption just carried out the sixties in last century based on body acceleration information is evaluated and tested, and until today, this direction was still study hotspot, develop the multiple motion energy consumption monitor based on various different principle and pedometer, but these achievements in research not yet really become instruct ordinary populace body-building by scientific methods, keep fit life the productivity.Achievement in research is used as the instrument of scientific research sampling more or towards high-end crowd, ordinary populace is not really benefited from it.This phenomenon seems unreasonable, since but be that objective reality just necessarily has its necessity.Trace it to its cause, we think following 2 points: first, current energy consumption monitoring equipment brings inconvenience to the normal productive life of people and even limit (weight of equipment has tens grams at least, and need be placed on loins or ankle wrist position), safeguard loaded down with trivial details (the larger need of power consumption often change battery); The second, the energy consumption model based on acceleration information can distinguish exercise intensity and motor pattern, but is difficult to carry out modeling analysis to the factor such as the gradient, heavy burden.
The successes achieved in research that above deficiency constrains kinergety consumption test and appraisal aspect really play a role in fitness-for-all field, also constrain the development of the subject such as preventive medicine, epidemic diseases Neo-Confucianism.Here two crucial matter of science and technologys are had to solve: (1) how cheap convenient, characteristic information of daily routines interference-free being obtained to individual physical sport; (2) how from these body dynamics information, real-time power consumed power and total work is parsed.
The methods such as the measurement of modern sport biomechanics image application, balance measurement, myoelectricity measurement, reaction of bearing measurement and plantar nervous arch measurement, the body parts when mankind are walked, particularly the motion of lower limb and stressing conditions carry out dynamic quantization analysis, and this research develops into a special branch---the gait analysis of biomechanics gradually.Gait tactile feature information comprises by the temporal information supported mutually and the equal gait cycle parameter of swing is formed; By step-length, walk the spatial information that wide, cadence, leg speed, step form to parameters such as angles; The dynamic Information be made up of parameters such as ground supports counter-force, horizontal shear force, plantar nervous arch, also has joint pendulum angle, gravity center of human body's acceleration etc.Angularly analyze from completeness, repeatability and uniqueness; the temporal information of gait tactile feature, spatial information and dynamic Information will be far superior to body acceleration information in characterizing motility energy expenditure characteristic, and can key be the information collecting method that find convenient cheapness and not disturb human body daily routines.Through finding the retrieval of prior art documents and materials, China Patent Publication No. is that the patent of invention of CN102727185A discloses a kind of sports energy consumption measuring instrument based on heart rate and acceleration and measuring method, basal energy expenditure is set up in this invention, the equation of linear regression of heart rate and personalizing parameters, acceleration transducer is utilized to measure acceleration of motion, further consider the influence factor of different directions, coalition is heavy implements calculating of externally doing work in three directions respectively, heart rate and acceleration of motion are effectively combined, improve certainty of measurement, but this invention can bring inconvenience to the normal productive life of people and even limit in actual use, the daily routines of interference human body.
Summary of the invention
Technology of the present invention is dealt with problems: the defect measured for current sports energy consumption, a kind of sports energy consumption footwear based on flexible force sensitive sensor and monitoring method thereof are provided, be a kind of with low cost, be easy to dress, energy consumption calculation accurately and there is the sports energy consumption monitoring equipment of Real-time Feedback function.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on the sports energy consumption monitoring footwear of flexible force sensitive sensor, it is characterized in that: comprise sport shoes and watch that the quick sensing shoe pad of flexible force is installed.
Placing the quick sensing shoe pad of described flexible force in described sport shoes, being through user's foot, for gathering user's plantar nervous arch information.The quick sensing shoe pad of described flexible force comprises flexible force sensitive sensor, signal conditioning circuit, microcontroller, ZigBee communication module, lithium battery, power management module and appliance case.Microcontroller scans flexible force sensitive sensor, modulate circuit carries out filter and amplification to flexible force sensitive sensor output signal, then microcontroller is done A/D conversion to conditioning circuit output signal and is carried out the gait information such as analysis extraction time, step number, cadence to transformation result, then gait information data is sent to watch by ZigBee communication module; ZigBee communication module is connected with adopting SPI serial communication mode between microcontroller; Lithium battery provides power supply for system, and the working time is greater than 1000 hours; Power management module for system voltage stabilizing be provided, power on, power-off and battery electric quantity measuring ability.
Described signal conditioning circuit, microcontroller, ZigBee communication module, lithium battery and power management module are encapsulated in appliance case inside; Appliance case is embedded in sports shoe bottom; Be connected by flexible lead wire between appliance case with flexible force sensitive sensor.
Described flexible force sensitive sensor is based on resistive structure, upper and lower layer flexible parent metal adopts high temperature resistance polyester thin film, and through sided corona treatment to prevent static interference, then form sensitive layer at base material higher slice successively printed circuit cable silver slurry layer, insulating barrier, bonding silk-screen glue-line and strain resistor pulp layer.Upper and lower sensitive layer forms latticed measuring circuit, and presser sensor point is positioned at each Nodes of grid.
Described flexible force sensitive sensor designs according to Human Sole shape, and maximum possible pressurized zone arranges presser sensor point in walking movement process.The information such as cadence, leg speed can be obtained according to information such as the strength size of plantar nervous arch, region and sequential, and then realize the monitoring to sports energy consumption.
The quick sensing shoe pad of described flexible force has auto sleep and Remote Wake Up function, automatically enters resting state to reduce power consumption when not having data transmission or watch to shut down for a long time; Regularly detect watch state when the quick sensing shoe pad of flexible force is in resting state, if watch is started shooting, the quick sensing shoe pad of flexible force is waken up and reenters holding state.
Described watch is made up of microcontroller, FLASH memory, ZigBee communication module, button, LCD display, USB interface, lithium battery, power management module and watch shell.Watch is monitored footwear by ZigBee communication module and sports energy consumption and is realized data and instruction interaction; The gait information data received and human body property parameters are substituted into sports energy consumption model by microcontroller carries out sports energy consumption assessment and sports energy consumption Monitoring Data is presented in real time on LCD display; FLASH memory is used for the information such as offline storage human body property parameters, kinematic parameter and sports energy consumption; Button and LCD display are used to provide human-computer interaction function, button can provide the functions such as start, shutdown, pattern switching, parameters input, and LCD display can show: the human body property parameters such as the kinematic parameters such as time, step number, cadence, leg speed, move distance, sports energy consumption and sex, age, height and Leg length; USB interface provides data upload and charge function; Lithium battery is for being that watch provides power supply; Power management module for watch voltage stabilizing be provided, power on, power-off and battery electric quantity measuring ability.
Described watch adopts the accutron pattern conveniently worn, and front studs with 1.5 inches of LCD displays, and an on and off switch and pair of control button are installed in side, and opposite side is furnished with a USB socket and a reset key.
ZigBee communication is adopted between described flexible force quick sensing shoe pad and described watch.
Described watch built-in FLASH memorizer, can realize sports energy consumption Monitoring Data memory function, and can upload to computer by USB interface.
The described sports energy consumption model based on flexible force sensitive sensor based on Multiscale modelling method establishment.Described Multiscale modelling method comprises leg speed estimation models, the gradient and loading conditions estimation models and the kinergety consumption models based on flexible force sensitive sensor.
The leg speed that described leg speed estimation models adopts digital course to test to obtain is as the approximate true value of discreet value, the gait biomechanics parameter of survey pressure transducer shoe pad and human body property parameters, as independent variable, adopt multiple linear regression and the individual leg speed estimation models of support vector Nonlinear Regression Model Generating respectively.
The described gradient and loading conditions estimation models are based on the time serial message of plantar nervous arch and the gradient and heavy burden high correlation, some pressure distribution that abstraction sequence information comprises and gait cycle parameter, as the independent variable of the gradient and loading conditions modeling, design experiment road and the heavy burden situation of a series of known gradient, application multiple linear regression equations sets up the gradient and loading conditions estimation models.
Leg speed estimation models, the gradient and the basis of loading conditions estimation models utilize gaseous metabolism instrument as the unit interval energy per mass consumption under the different cadence of canonical measure device measuring of sports energy consumption, leg speed, the gradient and loading conditions, and utilize multiple linear regression analysis method to analyze test data, determine cadence, leg speed, the gradient and the relation between heavy burden and sports energy consumption, thus set up the kinergety consumption models based on flexible force sensitive sensor.
The movement time of the human body property parameters such as the age of user, sex, height and Leg length and Real-time Obtaining, step number, the parameter such as cadence and leg speed are substituted into described sports energy consumption model to realize real time kinematics energy consumption monitoring.
The monitoring method of the described monitoring of the sports energy consumption based on flexible force sensitive sensor footwear, is implemented as: user puts on the described sports energy consumption based on flexible force sensitive sensor monitoring footwear, has worn watch and has opened watch on and off switch; Select or input the personal information such as name, age, sex, height and Leg length, input mode has two kinds: one to be use watch key-press input, and two is that watch is connected computer by USB interface, uses client software input; After ready work, user presses beginning button, and watch sends initiation command to the quick sensing shoe pad of flexible force; Microcontroller in the quick sensing shoe pad of flexible force starts with 10 ms interval timing scan flexible force sensitive sensor, and A/D conversion is carried out to the flexible force sensitive sensor output signal of amplifying after filtering, then transformation result analyzed and extract the kinematic parameters such as step number, cadence and leg speed; Kinematic parameter and temporal information are sent to watch by ZigBee communication module by microcontroller; The motion parameter data that the quick sensing shoe pad of ZigBee communication module reception flexible force in watch sends also is transmitted to microcontroller; Motion parameter data is substituted into described sports energy consumption model and obtains user's real time kinematics consumption information by microcontroller together with user's human body property parameters data; Address name, age, sex, height, Leg length, movement time, step number, cadence, leg speed and the information displaying such as sports energy consumption, motion total energy consumption are stored into FLASH memory by microcontroller on LCD display.After motion terminates, watch is connected on computer by USB interface, opens computer client software and read user data and upgrade customer data base.
The present invention is relative to the advantage of prior art:
(1) the present invention's flexible force sensitive sensor used is based on resistive structure, adopt high temperature resistance polyester fexible film as base material, design according to Human Sole shape, and maximum possible pressurized zone arranges presser sensor point in walking movement process, can plantar nervous arch information in complete collection motor process, thus meet the needs of sports energy consumption monitoring.
Microcontroller timing scan flexible force sensitive sensor in the quick sensing shoe pad of flexible force, flexible force sensitive sensor is experienced user's plantar pressure and is changed and output signal, and extracts and obtain the kinematic parameters such as step number, cadence and leg speed after the filtering of output signal result, amplification, A/D conversion; Motion parameter data substitutes into described sports energy consumption model and obtains user's real time kinematics consumption information by watch together with user's human body property parameters data, the information displaying such as age of user, sex, height, Leg length, movement time, step number, cadence, leg speed and sports energy consumption, motion total energy consumption is stored into FLASH memory on LCD display simultaneously.After motion terminates, watch is connected on computer by USB interface, opens computer client software and read user data and upgrade customer data base.
Sports energy consumption of the present invention monitoring footwear and monitoring method thereof comprise sport shoes, the quick sensing shoe pad of flexible force and watch, and the design of sport shoes and the quick sensing shoe pad of flexible force had not only been user-friendly to but also not interference user motor process.The present invention is expected to help ordinary populace by physical training in general sense and daily physical exertion, body energy equilibrium can be realized, the quality of life of keeping fit, to the sport efficiency and the health level that improve ordinary group, the development promoting nationwide fitness programs has important realistic meaning.
(2) the present invention establishes the Multiscale modelling method of sports energy consumption test and appraisal, comprising leg speed estimation models, the gradient and loading conditions estimation models and the kinergety consumption models based on flexible force sensitive sensor.
Leg speed estimation models adopts digital course to test the leg speed that the obtains approximate true value as discreet value, the gait biomechanics parameter of survey pressure transducer shoe pad and human body property parameters, as independent variable, adopt multiple linear regression and the individual leg speed estimation models of support vector Nonlinear Regression Model Generating respectively.
The gradient and loading conditions estimation models are based on the time serial message of plantar nervous arch and the gradient and heavy burden high correlation, some pressure distribution that abstraction sequence information comprises and gait cycle parameter, as the independent variable of the gradient and loading conditions modeling, design experiment road and the heavy burden situation of a series of known gradient, application multiple linear regression equations sets up the gradient and loading conditions estimation models.
Leg speed estimation models and the gradient and loading conditions estimation models basis utilize gaseous metabolism instrument as the canonical measure equipment of sports energy consumption, measure the unit interval energy per mass consumption under different cadence, leg speed condition, and utilize multiple linear regression analysis method to analyze test data, determine cadence, leg speed, the gradient and the relation between heavy burden and sports energy consumption, thus set up the kinergety consumption models based on flexible force sensitive sensor.
(3) the present invention adopts gait biomechanical parameter, researching human body sports energy consumption method of real-time, set up the kinergety consumption models taking into account the combined factors effects such as kinematic parameter, individual attribute parameter, condition of road surface and heavy burden situation, transient power, total power consumption can be estimated, the time series of also exportable multiple gait biomechanical parameter if desired, this Research Thinking has not yet to see the report having similar approach both at home and abroad.
Accompanying drawing explanation
Fig. 1 is flexible force sensitive sensor structural representation of the present invention;
Fig. 2 is flexible force of the present invention quick sensing shoe pad composition frame chart;
Fig. 3 is flexible force of the present invention quick sensing shoe pad scheme of installation;
Fig. 4 is watch composition frame chart of the present invention;
Fig. 5 is watch schematic appearance of the present invention;
Fig. 6 is sports energy consumption of the present invention monitoring footwear scheme of installations;
Fig. 7 is sports energy consumption model process of establishing schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further explained.
As shown in fig. 1, be flexible force sensitive sensor 101 structural representation of the present invention.Flexible force sensitive sensor is based on resistive structure, upper and lower layer flexible parent metal 103 adopts high temperature resistance polyester thin film, and through sided corona treatment to prevent static interference, then form sensitive layer 104 at base material higher slice successively printed circuit cable silver slurry layer, insulating barrier, bonding silk-screen glue-line and strain resistor pulp layer.Upper and lower sensitive layer 104 forms latticed measuring circuit, and presser sensor point 102 is positioned at each Nodes of grid, is outputed signal by silver slurry lead-in wire 105.Flexible force sensitive sensor 101 designs according to Human Sole shape, and maximum possible pressurized zone arranges presser sensor point 102 in walking movement process.The information such as cadence, leg speed can be obtained according to information such as the strength size of plantar nervous arch, region and sequential, and then realize the monitoring to sports energy consumption.
Fig. 2 is the composition frame chart of the quick sensing shoe pad of flexible force, comprises flexible force sensitive sensor 101, signal conditioning circuit 201, microcontroller 202, ZigBee communication module 203, lithium battery 205, power management module 204 and appliance case 206.Microcontroller 202 pairs of flexible force sensitive sensor 101 scan, signal conditioning circuit 201 pairs of flexible force sensitive sensor 101 output signals carry out filter and amplification, then microcontroller 202 pairs of signal conditioning circuit 201 output signals are done A/D conversion and carry out the gait information such as analysis extraction time, step number, cadence to transformation result, then gait information data are sent to watch 601 by ZigBee communication module 203; SPI serial communication mode is adopted to be connected between ZigBee communication module 203 with microcontroller 202; Lithium battery 205 provides power supply for system; Power management module 204 provides stable running voltage for system, simultaneously can control system power on, power-off and battery electric quantity measuring ability.It is inner that signal conditioning circuit 201, microcontroller 202, ZigBee communication module 203, lithium battery 205 and power management module 204 are encapsulated in appliance case 206.
Fig. 3 is flexible force of the present invention quick sensing shoe pad scheme of installation.Appliance case 206 is embedded in bottom sport shoes 301; Starch lead-in wire 105 by flexible silver between appliance case 206 with flexible force sensitive sensor 101 to be connected.
Fig. 4 is watch 601 composition frame chart of the present invention, and watch 601 forms primarily of microcontroller 405, FLASH memory 406, ZigBee communication module 404, button 403, LCD display 407, USB interface 408, lithium battery 401, power management module 402 and watch shell 501.Watch 601 is monitored footwear by ZigBee communication module 404 and sports energy consumption and is realized data and instruction interaction; The gait information data received and human body property parameters are substituted into sports energy consumption model by microcontroller 405 carries out sports energy consumption assessment and is presented on LCD display 407 in real time by sports energy consumption Monitoring Data; FLASH memory 406 is for storing the information such as offline storage human body property parameters, kinematic parameter and sports energy consumption; Button 403 and LCD display 407 are used to provide human-computer interaction function, button 403 can provide the functions such as start, shutdown, pattern switching, parameters input, and LCD display 407 can show: the human body property parameters such as the kinematic parameters such as time, step number, cadence, leg speed, move distance, sports energy consumption and sex, age, height and Leg length; USB interface 408 provides data upload and charge function; Lithium battery 401 provides power supply for watch 601 system, power management module 402 for watch 601 voltage stabilizing be provided, power on, power-off and electric quantity detection function.
Fig. 5 is watch 601 schematic appearance of the present invention, watch 601 adopts the accutron pattern conveniently worn, front studs with 1.5 inches of LCD displays 407, an on and off switch 504 and pair of control button 505,506 are installed in side, and opposite side is furnished with a USB socket 502 and a reset key 503.
ZigBee communication is adopted between sport shoes 301 and watch 601.Watch 601 built-in FLASH memorizer, can realize sports energy consumption Monitoring Data memory function, and can upload to computer by USB interface.
Fig. 6 is sports energy consumption of the present invention monitoring footwear scheme of installations, is provided with the quick sensing shoe pad of flexible force, is through user's foot, for gathering user's plantar nervous arch information in sport shoes 301.Watch 601 is worn on user's wrist.
Fig. 7 is sports energy consumption model process of establishing schematic diagram of the present invention, digital course is adopted to test the leg speed 703 that the obtains approximate true value as discreet value, the gait biomechanics parameter of survey pressure transducer shoe pad and human body property parameters 701, as independent variable, adopt multiple linear regression and support vector nonlinear regression model (NLRM) 702 to set up individual leg speed estimation models 704 respectively.
Based on the time serial message of plantar nervous arch and the gradient and heavy burden high correlation, some pressure distribution that abstraction sequence information comprises and gait cycle parameter 701 are as the independent variable of the gradient and loading conditions modeling, design experiment road and the heavy burden situation 706 of a series of known gradient, application multiple linear regression equations 705 sets up the gradient and loading conditions estimation models 707.
Leg speed estimation models 704 and the gradient with loading conditions estimation models 707 basis utilize gaseous metabolism instrument consume 708 as the unit interval energy per mass under the different cadence of canonical measure device measuring of sports energy consumption, leg speed, the gradient and 709 conditions of heavy burden, and utilize multiple linear regression analysis method 710 pairs of test datas to analyze, determine cadence, leg speed, the gradient and the relation between heavy burden and sports energy consumption, thus set up the kinergety consumption models 711 based on flexible force sensitive sensor.
Monitoring method based on the sports energy consumption monitoring footwear of flexible force sensitive sensor is as follows:
A () user puts on the sport shoes 301 being provided with the quick sensing shoe pad of flexible force, worn watch 601 and opened watch 601 on and off switch 504;
The human body property parameters such as (b) input or selection individual's age, sex, height and Leg length, input mode has two kinds: one to be use watch 601 key-press input, two is that watch 601 is connected computer by USB socket 502, uses client software input;
C () presses beginning button, watch 601 sends initiation command to the quick sensing shoe pad of flexible force;
D the microcontroller 202 in the quick sensing shoe pad of () flexible force starts with 10 ms interval timing scan flexible force sensitive sensor 101, and A/D conversion is carried out to the flexible force sensitive sensor output signal of amplifying after filtering, then transformation result analyzed and extract the kinematic parameters such as step number, cadence and leg speed, finally kinematic parameter and temporal information being sent to watch 601 by ZigBee communication module 203;
E the ZigBee communication module 404 in () watch 601 receives motion parameter data that the quick sensing shoe pad of flexible force sends and is transmitted to microcontroller 405;
F motion parameter data is substituted into sports energy consumption model 711 and obtains user's real time kinematics consumption information by the microcontroller 405 in () watch 601 together with user's human body property parameters data;
G the information displaying such as age of user, sex, height, Leg length, movement time, step number, cadence, leg speed and sports energy consumption, motion total energy consumption are stored into FLASH memory 406 by microcontroller 405 in () watch 601 on LCD display 407;
H () motion terminates after, watch 601 is connected on computer by USB socket 502, opens computer software client and read user data and upgrade customer data base.
Embodiment 1
Use the present invention first for user below, implementation process of the present invention is further illustrated.User puts on the sport shoes 301 being provided with the quick sensing shoe pad of flexible force, has worn watch 601 and has opened watch 601 on and off switch 504, and now the quick sensing shoe pad of flexible force detects that watch 601 automatically switches to holding state after starting shooting; User utilizes the pair of control button 505,506 on the right side of watch 601 to carry out system initial setting up, mainly arrange the individual essential information of user: name, sex, age, height and body weight etc., after completion system Initialize installation, the automatic preservation information of watch 601 is to FLASH memory 406; After ready work, user presses and starts button 505 and setting in motion; The quick sensing shoe pad of flexible force constantly detects, process plantar pressure information also sends to watch 601 in real time; The data received are substituted into sports energy consumption model 711 and obtain user's real time kinematics consumption information by watch 601 together with user's human body property parameters data; User by checking that LCD display 407 understands the information such as cadence, leg speed, energy consumption of current kinetic in real time, and can do real-time adjustment according to individual sports demand; When terminating this motion, watch 601 can show the details of this motion, as total duration, total step number, average cadence, average pace and total energy consumption etc.; User if desired continues motion can press beginning button 505 again, enters observation process next time; If terminate motion, close watch 601 on and off switch 504, the quick sensing shoe pad of flexible force detects that watch 601 counts resting state after shutting down automatically.It should be noted that, watch 601 can be connected to computer by USB socket 502 by user after each motion terminates, historical movement data can be read by computer client, and determine follow-up exercise program, to reaching better movement effects according to sports energy consumption monitoring result that is once front or previous stage.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1., based on sports energy consumption monitoring footwear for flexible force sensitive sensor, it is characterized in that: comprise sport shoes and watch that the quick sensing shoe pad of flexible force is installed;
The quick sensing shoe pad of flexible force is installed in described sport shoes, is through user's foot, for gathering user's plantar nervous arch information; The quick sensing shoe pad of described flexible force comprises flexible force sensitive sensor, signal conditioning circuit, microcontroller, ZigBee communication module, lithium battery, power management module and appliance case; Microcontroller scans flexible force sensitive sensor, modulate circuit carries out filter and amplification to flexible force sensitive sensor output signal, then microcontroller is done A/D conversion to conditioning circuit output signal and is carried out analyzing the gait information of extraction time, step number, cadence to transformation result, then gait information data is sent to watch by ZigBee communication module; ZigBee communication module is connected with adopting SPI serial communication mode between microcontroller; Lithium battery provides power supply for system; Power management module for system voltage stabilizing be provided, power on, power-off and electric quantity detection function;
Described signal conditioning circuit, microcontroller, ZigBee communication module, lithium battery and power management module are encapsulated in appliance case inside; Appliance case is embedded in sports shoe bottom; Be connected by flexible lead wire between appliance case with flexible force sensitive sensor;
Described watch is made up of microcontroller, FLASH memory, ZigBee communication module, button, LCD display, USB interface, lithium battery, power management module and watch shell; Watch realizes data and instruction interaction by ZigBee communication module and the quick sensing shoe pad of flexible force; The gait information data received and human body property parameters are substituted into sports energy consumption model by microcontroller carries out sports energy consumption assessment and sports energy consumption Monitoring Data is presented in real time on LCD display; FLASH memory is used for offline storage human body property parameters, kinematic parameter and sports energy consumption information; Button and LCD display are used to provide human-computer interaction function, button can provide start, shutdown, pattern switching, parameters input function, and LCD display can show: the human body property parameters such as the kinematic parameters such as time, step number, cadence, leg speed, move distance, sports energy consumption and sex, age, height and Leg length; USB interface provides data upload and charge function; Lithium battery provides power supply for watch system, power management module for watch voltage stabilizing be provided, power on, power-off and battery electric quantity measuring ability.
2. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, it is characterized in that: described flexible force sensitive sensor is based on resistive structure, upper and lower layer flexible parent metal adopts high temperature resistance polyester thin film, and through sided corona treatment to prevent static interference, then form sensitive layer at base material higher slice successively printed circuit cable silver slurry layer, insulating barrier, bonding silk-screen glue-line and strain resistor pulp layer; Upper and lower sensitive layer forms latticed measuring circuit, and presser sensor point is positioned at each Nodes of grid.
3. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, it is characterized in that: described flexible force sensitive sensor designs according to Human Sole shape, and maximum possible pressurized zone arranges presser sensor point in motor process; Obtain cadence, pace information according to the strength size of plantar nervous arch, region and time sequence information, and then realize the monitoring to sports energy consumption.
4. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, it is characterized in that: the quick sensing shoe pad of described flexible force has auto sleep and Remote Wake Up function, automatically entering resting state to reduce power consumption when not having data transmission or watch to shut down for a long time; Regularly detect watch state when the quick sensing shoe pad of flexible force is in resting state, if watch is started shooting, the quick sensing shoe pad of flexible force is waken up and reenters holding state.
5. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, it is characterized in that: described watch adopts the accutron pattern conveniently worn, front studs with LCD display, an on and off switch and pair of control button are installed in side, and opposite side is furnished with a USB socket and a reset key.
6. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, is characterized in that: adopt ZigBee communication between described flexible force quick sensing shoe pad and described watch.
7. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, it is characterized in that: described watch built-in FLASH memorizer, sports energy consumption Monitoring Data memory function can be realized, and computer can be uploaded to by USB interface.
8. a kind of monitoring of the sports energy consumption based on flexible force sensitive sensor footwear according to claim 1, is characterized in that: described sports energy consumption model is based on Multiscale modelling method establishment; Described Multiscale modelling method comprises leg speed estimation models, the gradient and loading conditions estimation models and the kinergety consumption models based on flexible force sensitive sensor;
The leg speed that described leg speed estimation models adopts digital course to test to obtain is as the approximate true value of discreet value, the gait biomechanics parameter of survey pressure transducer shoe pad and human body property parameters, as independent variable, adopt multiple linear regression and the individual leg speed estimation models of support vector Nonlinear Regression Model Generating respectively;
The described gradient and loading conditions estimation models are based on the time serial message of plantar nervous arch and the gradient and heavy burden high correlation, some pressure distribution that abstraction sequence information comprises and gait cycle parameter, as the independent variable of the gradient and loading conditions modeling, design experiment road and the heavy burden situation of a series of known gradient, application multiple linear regression equations sets up the gradient and loading conditions estimation models;
Leg speed estimation models, the gradient and the basis of loading conditions estimation models utilize gaseous metabolism instrument as the unit interval energy per mass consumption under the different cadence of canonical measure device measuring of sports energy consumption, leg speed, the gradient and loading conditions, and utilize multiple linear regression analysis method to analyze test data, determine cadence, leg speed, the gradient and the relation between heavy burden and sports energy consumption, thus set up the kinergety consumption models based on flexible force sensitive sensor.
9. a kind of sports energy consumption based on flexible force sensitive sensor monitoring footwear according to claim 1, is characterized in that: the movement time of the age of user, sex, height and Leg length human body property parameters and Real-time Obtaining, step number, cadence and leg speed parameter are substituted into described sports energy consumption model to realize real time kinematics energy consumption monitoring.
10. based on a monitoring method for the sports energy consumption monitoring footwear of flexible force sensitive sensor, it is characterized in that being implemented as: user puts on the described sports energy consumption based on flexible force sensitive sensor monitoring footwear, has worn watch and has opened watch on and off switch; Select or input name, the age, sex, height and Leg length personal information, input mode has two kinds: one to be use watch key-press input, and two is that watch is connected computer by USB interface, uses client software input; After ready work, user presses beginning button, and watch sends initiation command to the quick sensing shoe pad of flexible force; Microcontroller in the quick sensing shoe pad of flexible force starts with certain hour interval timing scan flexible force sensitive sensor, and A/D conversion is carried out to the flexible force sensitive sensor output signal of amplifying input after filtering, then transformation result analyzed and extract step number, cadence and leg speed kinematic parameter; Kinematic parameter and temporal information are sent to watch by ZigBee communication module by microcontroller; The motion parameter data that the quick sensing shoe pad of ZigBee communication module reception flexible force in watch sends also is transmitted to microcontroller; Motion parameter data is substituted into described sports energy consumption model and obtains user's real time kinematics consumption information by microcontroller together with user's human body property parameters data; Microcontroller by address name, age, sex, height, Leg length, movement time, step number, cadence, leg speed, average cadence, average pace and sports energy consumption, motion total energy consumption information displaying is on LCD display and be stored into FLASH memory; After motion terminates, watch is connected on computer by USB interface, opens computer client and read user data and upgrade customer data base.
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